source: archive/qtchooser.xml

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
  <!ENTITY % general-entities SYSTEM "../../general.ent">
  %general-entities;

  <!ENTITY qtchooser-git-revision "g4717841">

  <!ENTITY qtchooser-download-http "http://macieira.org/qtchooser/qtchooser-&qtchooser-version;-&qtchooser-git-revision;.tar.gz">
  <!ENTITY qtchooser-download-ftp  " ">
  <!ENTITY qtchooser-md5sum        "fcf1b5e8373147e48ce72b9c1ffe3d10">
  <!ENTITY qtchooser-size          "32 KB">
  <!ENTITY qtchooser-buildsize     "1.6 MB">
  <!ENTITY qtchooser-time          "less than 0.1 SBU">
]>

<sect1 id="qtchooser" xreflabel="qtchooser-&qtchooser-version;">
  <?dbhtml filename="qtchooser.html"?>


  <title>qtchooser-&qtchooser-version;</title>

  <indexterm zone="qtchooser">
    <primary sortas="a-qtchooser">qtchooser</primary>
  </indexterm>

  <sect2 role="package">
    <title>Introduction to qtchooser</title>

    <para>
      The <application>qtchooser</application> package contains a wrapper used to select
      between <application>Qt</application> binary versions.  It is only needed if
      both Qt4 and Qt5 are installed for access via the /usr/bin directory.
    </para>

    &lfs74_checked;

    <bridgehead renderas="sect3">Package Information</bridgehead>
    <itemizedlist spacing="compact">
      <listitem>
        <para>
          Download (HTTP): <ulink url="&qtchooser-download-http;"/>
        </para>
      </listitem>
      <listitem>
        <para>
          Download (FTP): <ulink url="&qtchooser-download-ftp;"/>
        </para>
      </listitem>
      <listitem>
        <para>
          Download MD5 sum: &qtchooser-md5sum;
        </para>
      </listitem>
      <listitem>
        <para>
          Download size: &qtchooser-size;
        </para>
      </listitem>
      <listitem>
        <para>
          Estimated disk space required: &qtchooser-buildsize;
        </para>
      </listitem>
      <listitem>
        <para>
          Estimated build time: &qtchooser-time;
        </para>
      </listitem>
    </itemizedlist>

    <bridgehead renderas="sect3">qtchooser Dependencies</bridgehead>

    <bridgehead renderas="sect4">Optional</bridgehead>
    <para role="optional">
      <xref linkend="qt4"/> (for the testsuite)
    </para>

    <para condition="html" role="usernotes">
      User Notes: <ulink url="&blfs-wiki;/qtchooser"/>
    </para>
  </sect2>

  <sect2 role="installation">
    <title>Installation of qtchooser</title>

    <warning>
      <para>
         If both <application>Qt4</application> and
         <application>Qt5</application> are installed on the system,
         then <application>Qt4</application> should be set as
         default unless stated otherwise.
      </para>
    </warning>

    <para>
      Install <application>qtchooser</application> by running the following
      commands:
    </para>

<screen><userinput>make</userinput></screen>

    <para>
      To test the results, issue: <command>make check</command>.
    </para>

    <para>
      Now, as the <systemitem class="username">root</systemitem> user:
    </para>

<screen role="root"><userinput>make install &amp;&amp;
install -m644 doc/qtchooser.1 /usr/share/man/man1</userinput></screen>

  </sect2>

  <sect2 role="configuration">
    <title>Configuring qtchooser</title>

    <sect3 id="qtchooser-config">
      <title>Config Files</title>
      <para>
        <filename>/etc/xdg/qtchooser/default.conf</filename>
      </para>

      <indexterm zone="qtchooser qtchooser-config">
        <primary
        sortas="e-etc-xdg-qtchooser-default.conf">/etc/xdg/qtchooser/default.conf</primary>
      </indexterm>

    </sect3>

    <sect3>
      <title>Configuration Information</title>

      <para>
        The <filename>/etc/xdg/qtchooser/default.conf</filename>
        configuration file contains paths to the
        <application>Qt</application> binaries and libraries which will
        be used when the wrapper is run. It is ussually a symlink to a
        package specific file, such as <filename>4.conf</filename> or
        <filename>5.conf</filename>. In first case, when invoking the wrappers,
        <application>Qt4</application> equivalents will be invoked. In second
        case, <application>Qt5</application> equivalents will be invoked.
      </para>

      <para>
        Create the configuration files by running the following commands as
        the <systemitem class="username">root</systemitem> user:
      </para>

<screen role="root"><userinput>install -dm755 /etc/xdg/qtchooser &amp;&amp;
cat &gt; /etc/xdg/qtchooser/4.conf &lt;&lt; "EOF"
<literal>/usr/lib/qt4/bin
/usr/lib</literal>
EOF
cat &gt; /etc/xdg/qtchooser/5.conf &lt;&lt; "EOF"
<literal>/usr/lib/qt5/bin
/usr/lib</literal>
EOF</userinput></screen>

      <para>
        To set <application>Qt4</application> as the default, run the following
        command as the <systemitem class="username">root</systemitem> user:
      </para>

<screen role="root"><userinput>ln -sfv 4.conf /etc/xdg/qtchooser/default.conf</userinput></screen>

      <para>
        To set <application>Qt5</application> as the default, run the following
        command as the <systemitem class="username">root</systemitem> user:
      </para>

<screen role="root"><userinput>ln -sfv 5.conf /etc/xdg/qtchooser/default.conf</userinput></screen>

      <para>
        You can also select default <application>Qt</application> using an environment
        variable.
      </para>

      <para>
        To set <application>Qt4</application> as the default, run the following command:
      </para>

<screen><userinput>export QT_SELECT=4</userinput></screen>

      <para>
        To set <application>Qt5</application> as the default, run the following command:
      </para>

<screen><userinput>export QT_SELECT=5</userinput></screen>

    </sect3>

  </sect2>

  <sect2 role="content">
    <title>Contents</title>

    <segmentedlist>
      <segtitle>Installed Programs</segtitle>
      <segtitle>Installed Libraries</segtitle>
      <segtitle>Installed Directories</segtitle>

      <seglistitem>
        <seg>
          assistant, designer, lconvert, linguist, lrelease, lupdate, moc,
          pixeltool, qcollectiongenerator, qdbus, qdbuscpp2xml, qdbusviewer,
          qdbusxml2cpp, qdoc, qdoc3, qglinfo, qhelpconverter, qhelpgenerator,
          qmake, qml, qml1plugindump, qmlbundle, qmlmin, qmlplugindump,
          qmlprofiler, qmlscene, qmltestrunner, qmlviewer, qtchooser,
          qtconfig, rcc, uic, uic3, xmlpatterns, and xmlpatternsvalidator
        </seg>
        <seg>
          None
        </seg>
        <seg>
          None
        </seg>
      </seglistitem>
    </segmentedlist>

    <variablelist>
      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
      <?dbfo list-presentation="list"?>
      <?dbhtml list-presentation="table"?>

      <varlistentry id="qtchooser-prog">
        <term><command>qtchooser</command></term>
        <listitem>
          <para>
            is a wrapper used to select between <application>Qt</application>
            binary versions.
          </para>
          <indexterm zone="qtchooser qtchooser-prog">
            <primary sortas="b-qtchooser">qtchooser</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>